Storm chasers in Wyoming caught this amazing supercell forming on video! Whoa!
Here is the incredible #timelapse from the supercell in WY yesterday! #wywx #stormchasing
https://t.co/TchlEIBe8t pic.twitter.com/v7p1IGM3jA
— Basehunters Chasing (@Basehunters) May 19, 2014
